完善 TipTap 编辑器与个人资料页：头像裁剪、Tab 缩进、文章内链、Markdown 工具与 Tooltip，并更新样式与 Feed 缓存。

Co-authored-by: Cursor <cursoragent@cursor.com>

frontend/package-lock.json

@@ -31,20 +31,24 @@
         "diff": "^9.0.0",
         "dompurify": "^3.4.10",
         "lucide-react": "^1.18.0",
+        "marked": "^18.0.5",
         "postcss": "^8.5.15",
         "react-dom": "^18.3.1",
+        "react-easy-crop": "^6.0.2",
         "react-hook-form": "^7.79.0",
         "react-router-dom": "^6.28.0",
         "sonner": "^2.0.7",
         "tailwind-merge": "^3.6.0",
         "tailwindcss": "^3.4.19",
         "tailwindcss-animate": "^1.0.7",
+        "turndown": "^7.2.4",
         "zod": "^4.4.3"
       },
       "devDependencies": {
         "@types/node": "^25.9.3",
         "@types/react": "^18.3.12",
         "@types/react-dom": "^18.3.1",
+        "@types/turndown": "^5.0.6",
         "@vitejs/plugin-react": "^4.3.4",
         "typescript": "^5.6.3",
         "vite": "^5.4.11"
@@ -831,6 +835,12 @@
         "@jridgewell/sourcemap-codec": "^1.4.14"
       }
     },
+    "node_modules/@mixmark-io/domino": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/@mixmark-io/domino/-/domino-2.2.0.tgz",
+      "integrity": "sha512-Y28PR25bHXUg88kCV7nivXrP2Nj2RueZ3/l/jdx6J9f8J4nsEGcgX0Qe6lt7Pa+J79+kPiJU3LguR6O/6zrLOw==",
+      "license": "BSD-2-Clause"
+    },
     "node_modules/@nodelib/fs.scandir": {
       "version": "2.1.5",
       "resolved": "https://registry.npmjs.org/@nodelib/fs.scandir/-/fs.scandir-2.1.5.tgz",
@@ -2477,6 +2487,13 @@
       "license": "MIT",
       "optional": true
     },
+    "node_modules/@types/turndown": {
+      "version": "5.0.6",
+      "resolved": "https://registry.npmjs.org/@types/turndown/-/turndown-5.0.6.tgz",
+      "integrity": "sha512-ru00MoyeeouE5BX4gRL+6m/BsDfbRayOskWqUvh7CLGW+UXxHQItqALa38kKnOiZPqJrtzJUgAC2+F0rL1S4Pg==",
+      "dev": true,
+      "license": "MIT"
+    },
     "node_modules/@types/use-sync-external-store": {
       "version": "0.0.6",
       "resolved": "https://registry.npmjs.org/@types/use-sync-external-store/-/use-sync-external-store-0.0.6.tgz",
@@ -3179,6 +3196,18 @@
         "react": "^16.5.1 || ^17.0.0 || ^18.0.0 || ^19.0.0"
       }
     },
+    "node_modules/marked": {
+      "version": "18.0.5",
+      "resolved": "https://registry.npmjs.org/marked/-/marked-18.0.5.tgz",
+      "integrity": "sha512-S6GcvALHg6K4ohtu4E7x0a1AqhAjp6cV8KhLSyN9qVapnzJkusVBxZRcIU9AeYsbe6P1hKDusSbEOzGyyuce6w==",
+      "license": "MIT",
+      "bin": {
+        "marked": "bin/marked.js"
+      },
+      "engines": {
+        "node": ">= 20"
+      }
+    },
     "node_modules/merge2": {
       "version": "1.4.1",
       "resolved": "https://registry.npmjs.org/merge2/-/merge2-1.4.1.tgz",
@@ -3255,6 +3284,12 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/normalize-wheel": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/normalize-wheel/-/normalize-wheel-1.0.1.tgz",
+      "integrity": "sha512-1OnlAPZ3zgrk8B91HyRj+eVv+kS5u+Z0SCsak6Xil/kmgEia50ga7zfkumayonZrImffAxPU/5WcyGhzetHNPA==",
+      "license": "BSD-3-Clause"
+    },
     "node_modules/object-assign": {
       "version": "4.1.1",
       "resolved": "https://registry.npmjs.org/object-assign/-/object-assign-4.1.1.tgz",
@@ -3662,6 +3697,19 @@
         "react": "^18.3.1"
       }
     },
+    "node_modules/react-easy-crop": {
+      "version": "6.0.2",
+      "resolved": "https://registry.npmjs.org/react-easy-crop/-/react-easy-crop-6.0.2.tgz",
+      "integrity": "sha512-nY/YiNEuRjc851+/PsOR6Q7XoshmnXMl+oEOsxp3Ah0PrhECi5388jjRnHwsTFx3W0o2zPwvq85oljzUqZNpEw==",
+      "license": "MIT",
+      "dependencies": {
+        "normalize-wheel": "^1.0.1"
+      },
+      "peerDependencies": {
+        "react": ">=16.4.0",
+        "react-dom": ">=16.4.0"
+      }
+    },
     "node_modules/react-hook-form": {
       "version": "7.79.0",
       "resolved": "https://registry.npmjs.org/react-hook-form/-/react-hook-form-7.79.0.tgz",
@@ -4133,6 +4181,19 @@
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       "license": "0BSD"
     },
+    "node_modules/turndown": {
+      "version": "7.2.4",
+      "resolved": "https://registry.npmjs.org/turndown/-/turndown-7.2.4.tgz",
+      "integrity": "sha512-I8yFsfRzmzK0WV1pNNOA4A7y4RDfFxPRxb3t+e3ui14qSGOxGtiSP6GjeX+Y6CHb7HYaFj7ECUD7VE5kQMZWGQ==",
+      "license": "MIT",
+      "dependencies": {
+        "@mixmark-io/domino": "^2.2.0"
+      },
+      "engines": {
+        "node": ">=18",
+        "npm": ">=9"
+      }
+    },
     "node_modules/typescript": {
       "version": "5.9.3",
       "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.9.3.tgz",